C0300high severityChassis
Electronic Suspension Control Module
on 2014 Hyundai Tucson 2.0L I4 · AWD
What this code means
General internal fault in the electronic suspension control module.
Symptoms
- Suspension warning light
- Ride quality degraded
- Vehicle riding at fixed height
- Service suspension message
Common causes
- Module internal failure
- Module power supply issue
- Software error
- CAN communication fault
Diagnostic steps
- Check module power and ground connections
- Scan for CAN communication codes
- Attempt module reset
- Check for software updates
- Inspect module connector
Repair notes
Replace electronic suspension control module. Program and calibrate after installation.
Other Chassis codes on this vehicle
C0021
LF Wheel Speed Sensor Range/Performance
C0021
LF Wheel Speed Sensor Range/Performance
C0022
RF Wheel Speed Sensor Range/Performance
C0022
RF Wheel Speed Sensor Range/Performance
C0023
LR Wheel Speed Sensor Range/Performance
C0023
LR Wheel Speed Sensor Range/Performance
C0024
RR Wheel Speed Sensor Range/Performance
C0024
RR Wheel Speed Sensor Range/Performance
C0025
LF Wheel Speed Sensor Circuit Intermittent
C0025
LF Wheel Speed Sensor Circuit Intermittent